问题1:Uncaught exception 'RuntimeException' with message 'Extension DOM is required' 解决:sudo apt-get install php5.6-xml 问题2:oops an error occurred 500 解决:a. 先查看具体问题,打开 根目录/var/logs/prod.log 这个文件,发现 Session Storage was not able to create directory ....…